-
Assemble in such a way as to avoid dripping on the motor and on the electronic
control device during both installation and maintenance.
-
Avoid mixing additives derived from hydrocarbons and aromatic products with the
circulating water. It is recommended that the addition of antifreeze, where
necessary, should not exceed 30%.
-
In the event of heat insulation use the special kit (if provided) and ensure that the
condensate draining holes in the motor casing are not closed or partly blocked.
-
To guarantee maximum efficiency of the system and long life of the circulator it is
recommended to use magnetic sludge-removing filters to separate and collect
any impurities present in the system (particles of sand, particles of iron and
sludge).
Never insulate the electronic control device.
-
In the case of maintenance, always use a set of new gaskets.
5.2.
Rotation of the Motor Heads
If the circulator is installed on pipes in a horizontal position, it will be necessary to rotate
the motor with the respective electronic device through 90 degrees in order to maintain
the grade of IP protection and to allow the user a more convenient interaction with the
graphic interface (see Figure 2-3).
Before rotating the circulator, ensure that it has been completely
drained.
Should it be necessary to rotate the motor heads, follow the instructions below with
care to ensure correct installation:
1.
Unscrew the 4 screws fixing the motor assembly to the pump body (figure A).
2.
Rotate the motor assembly keeping it in the seat where it couples with the pump
body (figure A-B).
3.
Once the head has been rotated into the desired position, tighten the 4 screws,
always proceeding in cross formation (figure C).
If the motor assembly has been removed from its seat, pay the greatest attention during
assembly, taking care to insert the impeller completely in the floating ring before
tightening the retaining screws (figure D). If it has been correctly assembled, the motor
assembly rests completely on the pump body.
ENGLISH
Incorrect assembly may damage the impeller, causing a typical
rubbing noise when the circulator starts.
The electronic control device must always remain in vertical position!
Ensure that the connecting cable of the pressure sensor never comes
in contact with the motor casing.
5.3.
Non-return valve
If the system is equipped with a non-return valve, ensure that the minimum pressure of
the circulator is always higher than the valve closing pressure.
6.
ELECTRICAL CONNECTIONS
The electrical connections must be made by expert, qualified personnel.
-
The circulator does not require any external motor protection.
-
Ensure that the supply voltage and frequency are the same as the values
indicated on the electrical data plate of the circulator.
Figure 4: Electrical connections (front)
15
Figure 5: Electrical connections (rear)